At the movie theatre, child admission is $5.20 and adult admission is $8.60. on sunday, 132 tickets were sold for a total sales of $931.20. how many child tickets were sold that day?

60 tickets for children were sold

Step-by-step explanation:

Let x be the number of sold children's tickets and let y be the number of adult tickets sold, then we can pose the following equations.

  (i) Because 132 tickets were sold in total

  (ii)   because the total of $ obtained by sales was 931.20.

We must clear x. Then we substitute (i) in (ii)

60 tickets for children were sold

60 child tickets

Step-by-step explanation:

Let x denote the number of child tickets sold and y the number of adult tickets sold. The problem involves solving the following system of linear equations; x+y=132 and 5.2x+8.6y=931.2. Using technology to solve this simultaneous equation yields; x= 60

tip $2.90

total $17.40